GEOG 1HA3 Lecture Notes - Industrial Revolution, Division Of Labour, Neolithic Revolution
12 Feb 2014
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Document Summary
Current population 7. 1 billion, increases 75 million per year, india & china consists of 1/3 of entire population. Population geography study of the spatial components of demography. Spatial distribution of population & the consequences with respect to gloval resources. 1800 ad (~200 bp: 12,000 yrs => 2 billion people reached. < 50 yrs => 2 billion people increase. Significant population change associated with: first agricultural revolution (12,000 yrs ago) Key: - increased food production => food surplus. Beginning of crop agriculture, grow own food on any fertilised land . Increasing labour specialization make tools, plant crops. Declining death rates (prior to changes in birthrates) Epidemics (i. e. plague): population in the first agricultural revolution didn"t grow as much due to epidemics two steps forward, one step backwards . Distribution: spatial arrangement of geographic phenomena: world population distribution. Density: the number of people in a given area. Consider canada: 3. 1 persons per square kilometer (low density)
